1002453440534 has 32 divisors (see below), whose sum is σ = 1861380924480. Its totient is φ = 394282634112.

The previous prime is 1002453440519. The next prime is 1002453440539. The reversal of 1002453440534 is 4350443542001.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1002453440494 and 1002453440503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002453440539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15887549 + ... + 15950520.

It is an arithmetic number, because the mean of its divisors is an integer number (58168153890).

Almost surely, 2^{1002453440534} is an apocalyptic number.

1002453440534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1002453440534 is a deficient number, since it is larger than the sum of its proper divisors (858927483946).

1002453440534 is a wasteful number, since it uses less digits than its factorization.

1002453440534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31838264.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 1002453440534 its reverse (4350443542001), we get a palindrome (5352896982535).

The spelling of 1002453440534 in words is "one trillion, two billion, four hundred fifty-three million, four hundred forty thousand, five hundred thirty-four".